Assignee
HIDAKA ENG
JP·3 granted patents·31 citations·filing 1978–1986
Top patents by PatentIndex Score
3 records- 0163USD317500SFinned heat exchanger plateHIDAKA ENG·Filed 1986·Granted Jun 11, 1991·10 cites·1 claims
- 0246US4184355AMethod and a punch/die assembly for the production of heat exchanger finsHIDAKA ENG·Filed 1978·Granted Jan 22, 1980·8 cites·4 claims
- 0335US4170890APunch and die assembly for use in the production of heat exchanger finsHIDAKA ENG·Filed 1978·Granted Oct 16, 1979·13 cites·9 claims
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